Product Weight: 0.08 oz (2 g); Package Size: Length: 4.9 inches (125 mm); Width: 1.8 inches (45 mm); Height: 0.4 inches (11 mm); Package Weight: 0.3 oz (8 g); Material: Diamond Electrodeposition; Uses: Polishing and sculpting; Shaft Diameter: 0.00 inches (2.35 mm); Tip Size: 0 mm); Suitable for: Proxon mini router. All models and other same. etc.